Sandoval County, NM Water Table Trend
Sandoval County, NM: what the water table is actually doing
Sandoval County's long-term well puts the trend at 1.2 ft per decade, rising, getting shallower over time, based on 8 measurements since 1950.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Sandoval County's source well, in detail
Depth to water at the last reading was 151.5 ft below land surface. Readings span 1950-12-15 to 2026-02-27, 8 measurements from USGS well USGS-355758107042301 (20n.02w.17.1324 355), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Sandoval County compares nationally
Sandoval County sits at rank 211th of 1,449 ranked counties, ordered rising-to-declining, so a low number means a rising water table and a high one means fast decline. Sandoval County, New Mexico is home to about 157,757 people. See the fastest-moving counties guide for how Sandoval County stacks up against the most extreme cases nationally.
Depth and quality are separate questions
This page answers a depth question, not a quality one. A well in Sandoval County can be stable in depth and still worth testing for quality, or declining and still test clean, the two are measured separately, and only a direct test settles the second one.